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Dolly Was Lucky

Scientists warn that cloning is too dangerous for people

As scientists consider whether human cloning can be safe, the stories of two

sheep, one famous and one dead, illustrate the dream and the danger.

One tale centers on the photogenic Dolly, the first animal ever cloned from an

adult mammalian cell (SN: 3/1/97, p. 132: http://www.sciencenews.org/sn_arc97/3_1_97/fob1.htm). While investigators continue to study

the 5-year-old sheep for late-developing abnormalities, such as premature aging,

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